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Tendons link your muscles to your bones. They’re like strong, flexible ropes. Your hand and wrist have two groups of tendons: Extensor tendons: Tendons that help you extend and straighten your fingers, hand and wrist. Flexor tendons: Tendons that help you flex and curl your fingers, hand and wrist.
Tendons are fibrous cords, similar to a rope, and are made of collagen. They have blood vessels and cells to maintain tendon health and repair injured tendon. Tendons are attached to muscles and to bone.
The human hand also features nearly two dozen tendons, which play a key role in the function of your hand – but are also a common source of hand injuries. What are tendons? Tendons are white, fibrous bands that connect a muscle to a bone and allow joints to move.
Tendons are flexible, tough bands of tissue that connect muscles to bones. When tendons in your hand become inflamed, torn or irritated, the condition is referred to as tendonitis. What causes tendon pain in your hands? Overusing your hand and wrist is the most common cause of tendonitis in the hand..
Find out what you need to know about hand extensor tendon injuries, including the different types, what causes them, and how they're treated.
Extensor tendinitis is usually caused by repetitive motions that build up irritation in your tendons over time and overload your tendons with increased weight or tension. The most common causes are using your hands or feet for work, as a part of a sport you play or activity you do often.
The flexor pulley system of the hand is a complex structure that co-ordinates flexion of the digits. It consists of: Long flexor tendons – and their associated synovial sheaths. Annular pulleys – 5 associated with each finger, 2 associated with the thumb. Cruciate pulleys – 3 associated with each finger.
If you experience a deep cut to the palm side of your fingers, hand, wrist, or forearm, you may damage your flexor tendons. These are the tissues that help control movement in your hand. A flexor tendon injury can make it impossible to bend your fingers or thumb.
Tendons are white, flexible rope-like cords at the ends of muscles that attach muscles to bone. When muscles contract, they pull on the tendons to move the bones. The tendons that run down our fingers are held in place by a series of ligaments, called pulleys, that form stable arches over tendons, forming a “tunnel-like” sheath.
Important Structures. The important structures of the hand can be divided into several categories. These include. bones and joints. ligaments and tendons. muscles. nerves. blood vessels. The front, or palm-side, of the hand is referred to as the palmar side. The back of the hand is called the dorsal side. Bones and Joints.